The large West Indian conch shell (Strombus gigas).

plural of fountain shell

plural of porphyry shell

A handsome marine gastropod shell (Oliva porphyria), having a dark red or brown polished surface, marked with light spots, like porphyry.

(obsolete) An ornamental cone shell, Conus ammiralis.

plural of admiral shell

A West Indian marine bivalve (Tellina radiata) having a smooth shell marked with radiating bands of varied colours resembling those seen at sunset or before sunrise.

(music) A form of written music that specifies the melody, lyrics, and harmony.

(idiomatic) To end a battle; to make peace.

(idiomatic) To play a prank by folding someone's bed sheets to make the space for lying in the bed unusably short.